WM: reuse visible region calculation

Avoids calculating the visible part of a region whenever
on-screen overlays are drawn.

1 files changed, 6 insertions, 7 deletions

diff --git a/source/blender/editors/interface/view2d_gizmo_navigate.c b/source/blender/editors/interface/view2d_gizmo_navigate.c
index 883f16c63f2..9b15f2309a1 100644
--- a/source/blender/editors/interface/view2d_gizmo_navigate.c
+++ b/source/blender/editors/interface/view2d_gizmo_navigate.c
@@ -201,21 +201,20 @@ static void WIDGETGROUP_navigate_draw_prepare(const bContext *C, wmGizmoGroup *g
   struct NavigateWidgetGroup *navgroup = gzgroup->customdata;
   ARegion *ar = CTX_wm_region(C);
 
-  rcti rect_visible;
-  ED_region_visible_rect(ar, &rect_visible);
+  const rcti *rect_visible = ED_region_visible_rect(ar);
 
-  if ((navgroup->state.rect_visible.xmax == rect_visible.xmax) &&
-      (navgroup->state.rect_visible.ymax == rect_visible.ymax)) {
+  if ((navgroup->state.rect_visible.xmax == rect_visible->xmax) &&
+      (navgroup->state.rect_visible.ymax == rect_visible->ymax)) {
     return;
   }
 
-  navgroup->state.rect_visible = rect_visible;
+  navgroup->state.rect_visible = *rect_visible;
 
   const float icon_size = GIZMO_SIZE;
   const float icon_offset_mini = icon_size * GIZMO_MINI_OFFSET_FAC * UI_DPI_FAC;
   const float co[2] = {
-      rect_visible.xmax - (icon_offset_mini * 0.75f),
-      rect_visible.ymax - (icon_offset_mini * 0.75f),
+      rect_visible->xmax - (icon_offset_mini * 0.75f),
+      rect_visible->ymax - (icon_offset_mini * 0.75f),
   };
 
   wmGizmo *gz;